That took care of it. Thank you!
Resolved. For some reason the max-width in my CSS was changed from 974 to 474 px during the upgrade. I’ve now corrected.
.page-content {
margin: 0 auto;
max-width: 974px;
I should have mentioned I’m running the Twenty Fourteen theme. It seems as if it may be an issue with the theme. When I switch to Twenty Thirteen I still have the problem, but not with Twenty Twelve. Site address is: